Check the listing for details. Plastic Marble Tray Storage/Display/Transport 60 Marble Slots 11" Long 1-1/4" Di. Condition: New. Listed at 3.99 USD. Now you can own these personal produced plastic marble trays. These plastic marble trays are designed for storage, display, and transportation of up to 60 marbles per tray fully loaded. This tray is specifically tailored for organizing and showcasing marbles, making it convenient for collectors or enthusiasts to keep their collection in order and easily accessible.Now you can own these personal produced plastic marble trays. These plastic marble trays are designed for storage, display, and transportation of up to 60 marbles per tray fully loaded. This tray is specifically tailored for organizing and showcasing marbles, making it convenient for collectors or enthusiasts to keep their collection in order and easily accessible.